Gold Label Calla Lily Cultivar Breeding and Asexual Propagation

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Solution Overview

Problem

There is a need for new Zantedeschia sprengeri calla lily cultivars with a wide range of colors and large, classic flower shapes for pot flower production, as existing varieties do not meet these specific aesthetic and horticultural requirements.

Innovation Solution

The 'Gold Label' cultivar, resulting from a breeding program between Zantedeschia sprengeri 'Goldilocks' and 'Summer Sun', exhibits dark yellow-colored spathes and high inflorescence production, distinguishing it with unique characteristics such as spathe size and color, and inflorescence quantity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing Zantedeschia sprengeri varieties are used for pot flower production, then cultivation is straightforward, but the color range and flower shape requirements are not met

Engineering Contradiction:

Improvecolor rangeVSAvoidaesthetic consistency

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent applies parameter changes by selectively breeding plants to modify specific traits including spathe color (achieving dark yellow shades), spathe size (larger dimensions), and inflorescence production (higher quantity). This systematic alteration of physical parameters creates new cultivars that meet the desired aesthetic requirements while maintaining reliable cultivation characteristics

Inventive Principle:

Principle #35Parameter changes

2Shape

If new cultivars with large, classic flower shapes are developed through breeding, then aesthetic requirements are met, but breeding time and complexity increase

Engineering Contradiction:

Improveflower shapeVSAvoidbreeding time

Core Design Contradiction:

ShapeVSLoss of time

Solution Approach 1:

The patent employs preliminary action by conducting controlled cross-breeding between selected parent plants ('Goldilocks' and 'Summer Sun') with known desirable traits before commercial deployment. This advance planning and selective mating approach accelerates the development of new cultivars with classic flower shapes, reducing the overall breeding time compared to random selection methods

Inventive Principle:

Principle #10Preliminary action

3Adaptability or versatility

If dark yellow spathe color is selected in the new cultivar, then aesthetic diversity is improved, but color consistency through reproduction must be maintained

Engineering Contradiction:

Improvecolor diversityVSAvoidcolor consistency

Core Design Contradiction:

Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent utilizes tissue culture technology to produce multiple identical copies of the selected cultivar with consistent dark yellow spathe color. This asexual reproduction method ensures color uniformity across large numbers of plants, maintaining manufacturing precision while enabling widespread deployment of the aesthetically desirable color trait

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUSPP30809P3Calla lily plant named ‘Gold Label’

Publication Date: 2019.08.13 DUEMMEN GROUP BV

AI summary

‘Gold Label’ is a new variety of calla lily plant having inflorescences with a yellow-colored spathe that produces 4-24 inflorescences per tuber. The height of the top of an inflorescence above the soil can reach up to 51 cm. The leaves are green with transparent maculations present and have a leathery texture.